Wavelet Denoising for Infrared Laser Spectroscopy and Gas Detection

Authors: Mappe-Fogaing, Ir`ne; Joly, Lilian; Durry, Georges; Dumelié, Nicolas; Decarpenterie, Thomas; Cousin, Julien; Parvitte, Bertrand; Zéninari, Virginie

Source: Applied Spectroscopy, Volume 66, Issue 6, Pages 156A-170A and 609-730 (June 2012) , pp. 700-710(11)

Publisher: Society for Applied Spectroscopy

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Abstract:

After a brief introduction to wavelet theory, this paper discusses the critical parameters to be considered in wavelet denoising for infrared laser spectroscopy. In particular, it is shown that measurement dispersion as well as sensibility can be dramatically improved when using wavelet denoising for gas detection by infrared laser absorption spectroscopy.

Keywords: Wavelets; Trace gas; Diode laser; Infrared absorption spectroscopy

Document Type: Research article

DOI: http://dx.doi.org/10.1366/11-06459

Affiliations: 1: Groupe de Spectrométrie Moléculaire et Atmosphérique, Unité Mixte de Recherche du Centre National de la Recherche Scientifique (UMR CNRS6089), UFR Sciences Exactes et Naturelles, Université de Reims Champagne-Ardenne, Moulin de la Housse, BP 1039, 51687 Reims, Cedex 2, France

Publication date: 2012-06-01

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